body {
    font-family: 'Comic Neue', cursive;
    background: #f0f8ff;
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.container {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 20px;
    width: 90%;
    max-width: 1200px;
    margin-bottom: 20px;
}
h1, h2 {
    color: #333;
}
.question {
    margin-bottom: 20px;
}
.question p {
    font-size: 1.2em;
    color: #555;
    background: #e6f7ff;
    padding: 10px;
    border-radius: 5px;
}
.question code {
    background: #eaeaea;
    padding: 10px;
    display: block;
    border-radius: 5px;
    margin: 10px 0;
}
.options {
    display: flex;
    flex-direction: column;
}
.options label {
    background: #f9f9f9;
    border: 2px solid #ddd;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: background 0.3s, border-color 0.3s, transform 0.3s;
}
.options label:hover {
    background: #e6f7ff;
    border-color: #5a9bf6;
    transform: scale(1.02);
}
.options input {
    margin-right: 10px;
}
.button-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}
button {
    background: #5a9bf6;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2em;
    margin: 0 10px;
    transition: background 0.3s, transform 0.3s;
}
button:hover {
    background: #7ec8ff;
    transform: scale(1.05);
}
button:disabled {
    background: #ccc;
    cursor: not-allowed;
}